Drawings, 'Hylaeosaurus' by G A [Gideon Algernon] Mantell Plate 10, figures 1-14 showing the form of various bones of the hylaeosaurus, including the dermal spine, ribs, coracoid, phalanges, and humerus. Inscribed with title, publication, and plate details. Graphite inscription across the top reads 'Lithograph'. A graphite inscription to the left of figure 5 reads 'The Engraver should place this in a better situation on the plate. It may be placed at θ and the ribs put lower down in the Plate'. Signed in ink bottom left 'G. A. Mantell delt. 1841.' Subject: Palaeontology Published in Philosophical Transactions as part of paper titled 'Memoir on a portion of the lower jaw of the iguanodon, and on the remains of the hylæosaurus and other saurians, discovered in the strata of Tilgate Forest, in Sussex' by Gideon Algernon Mantell. Received by the Royal Society on 8 February 1841. Read 18 February 1841. 1841